This indicator has a Light(Low TF) and a Heavy(High TF) lines which are based on Stochastic Calculations. Best used for Ranging price action.
Light > 80 => Purple Color Light < 20 => Aqua Color
The Heavy can be Support or Resistance for the Light. Also, you could spot Divergences on both of them. Besides, the EMA can be used for Support and Resistance as well but the Heavy has more weight than the EMA.